She also brings a previously unused source into the current scope of scholarship relating to the medieval Christian-Jewish relations, and contributes to the unraveling of some of the mysteries of the glosses on the Psalms in particular and of the glossed
books of the Bible in general.
Glosses are most commonly placed in the margin (along the same line as the glossed
word) or, less frequently, next to the glossed
word or expression within the text.
But Black also claims that students did not learn moral lessons or anything else from the content of the texts that they glossed
. He states that "such were the technical hurdles in the period before printing that one must assume that what the medieval reader took from a classic is what appears in the glosses, not in the original text" (25), and "It is clear that they [medieval and early Renaissance readers] were able to extract far less, not more, from these texts than was offered by the glossing and commentary tradition; the fact is that whatever their glosses reveal constitutes the limit, nor the minimum, of their comprehension and understanding" (ibid.).